Fixing tool for aero-engine precision casting machining

Abstract

The utility model relates to the technical field of aero-engine precision casting machining, in particular to a fixing tool for aero-engine precision casting machining, which comprises a mounting shell, a mounting frame is welded in an inner cavity of the mounting shell, a rotating sleeve is rotatably connected to the surface of the mounting frame, and a gear ring is fixedly sleeved on the surface of the rotating sleeve. A casting needing to be machined is placed between the two fixing frames, the electric telescopic rods do telescopic motion to drive the fixing frames to do transverse motion, the casting is clamped through the fixing frames, and the threaded rods are rotated to drive the pressing plates to do vertical motion to press the casting. A rotating base, an electric telescopic rod, a fixing frame, a threaded rod, a pressing plate and a casting are driven to rotate through a transmission shaft of a second motor, chippings generated by machining fall into an inner cavity of a mounting frame along an inclined face of a water spraying head, water in a water tank is pumped out through a pump body and conveyed to the water spraying head through the pump body, and the water is sprayed out through the water spraying head to flush the inner cavity of the mounting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of machining precision castings of aircraft engines, in particular to a fixed tool for machining precision castings of aircraft engines. Background Art

[0002] The large bracket of an aero-engine is produced by a casting process, and the resulting blank is called a casting. After the casting is produced, it needs to be refined and processed. When processing the casting, fixed tooling is usually required for fixed processing.

[0003] After searching, the announcement number is CN220260228U, and the name is a fixed tool for processing precision castings of large aircraft engine brackets, including a base. Through research and analysis, it is found that although it has the advantages of high positioning accuracy, simple operation and good clamping effect, it still has the following disadvantages to a certain extent.

[0004] For example, when the device is in use, the waste chips generated by processing all fall directly on the top of the device. The waste chips on the top need to be manually cleaned by the staff, which is inconvenient to clean the waste chips on the top of the device and inconvenient for the staff to use. In order to solve the above technical problems, we have designed a fixed tooling for processing aircraft engine precision castings. Utility Model Content

[0005] The purpose of the utility model is to provide a fixed tool for processing aircraft engine precision castings, which has the advantage of being easy to clean and solves the problem that during the use of the device, the waste chips generated by processing directly fall on the top of the device, and the waste chips on the top need to be manually cleaned by the staff, which is inconvenient to clean the waste chips on the top of the device and inconvenient for the staff to use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing tool for processing aircraft engine precision castings, comprising a mounting shell, the inner cavity of the mounting shell is welded with a mounting bracket, the surface of the mounting bracket is rotatably connected to a rotating sleeve, the surface fixed sleeve of the rotating sleeve is provided with a gear ring, the surface of the mounting bracket is connected to a first motor by bolts, the fixed sleeve of the transmission shaft of the first motor is provided with a gear, the surface of the gear is meshed with the gear ring, the inner cavity of the rotating sleeve is rotatably connected to a rotating seat, the opposite side of the rotating seat is connected to an electric telescopic rod by bolts, the right side of the rotating sleeve is connected to a second motor by bolts, the transmission shaft of the second motor is connected to the rotating seat by bolts, the opposite side of the electric telescopic rod is connected to a fixing frame by bolts, a threaded rod is provided through the top of the fixing frame, the bottom of the threaded rod is rotatably connected to a pressure plate, a filter assembly is provided at the bottom of the mounting shell, and a connecting pipe is installed at the bottom of the filter assembly.

[0007] Preferably, the filter assembly includes a shielding sleeve, the top of the shielding sleeve is welded to the mounting shell, the bottom of the mounting shell is welded with a receiving shell, the inner wall of the receiving shell is installed with a filter plate, the surface of the shielding sleeve is provided with a closing sleeve, and the bottom of the shielding sleeve is connected to the connecting pipe.

[0008] Preferably, the surface fixing sleeve of the receiving shell is provided with a baffle, and the bottom of the closing sleeve is in contact with the baffle.

[0009] Preferably, handles are welded on both sides of the sealing sleeve, and the surface of the gear is slidably connected to the sealing sleeve.

[0010] Preferably, the surface of the threaded rod is threadedly connected to the fixing frame, and the top of the threaded rod is connected to the turning handle through a bolt.

[0011] Preferably, the bottom of the connecting pipe is connected to a water tank, the top of the water tank is connected to a pump body by bolts, the inner cavity of the mounting shell is connected to a water spray head by bolts, the water suction pipe of the pump body is connected to the water tank through a pipeline, and the water outlet pipe of the pump body is connected to the water spray head through a pipeline.

[0012] Preferably, the top of the water tank is connected to a water supply pipe, the top threaded sleeve of the water supply pipe is provided with a first pipe cover, the right side of the water tank is connected to a drain pipe, the right threaded sleeve of the drain pipe is provided with a second pipe cover.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The utility model places the casting to be processed between two fixed frames, drives the fixed frame to move laterally by the telescopic movement of the electric telescopic rod, clamps the casting by the fixed frame, drives the pressure plate to move up and down by rotating the threaded rod to press the casting, drives the rotating seat, the electric telescopic rod, the fixed frame, the threaded rod, the pressure plate and the casting to rotate by the transmission shaft of the second motor, drives the gear, the gear ring and the rotating sleeve to rotate by the transmission shaft of the first motor, drives the rotating seat, the second motor, the electric telescopic rod, the fixed frame, the threaded rod, the pressure plate and the casting to rotate by the rotating sleeve, adjusts the processing angle of the casting, and facilitates processing by the staff;

[0015] The debris generated by the processing of the utility model falls along the inclined surface of the water spray head to the inner cavity of the mounting frame, the water in the water tank is pumped out by the pump body, and is transported to the water spray head through the pump body, and the water is sprayed out by the water spray head to flush the inner cavity of the mounting frame, and the waste debris after flushing flows into the shielding sleeve, and the waste debris is filtered out by the filter plate, and the filtered water flows back to the water tank through the connecting pipe for reuse. After use, the closing sleeve is pulled to lift it, and the waste debris on the top of the filter plate is cleaned after lifting it. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is the structural isometric view of the utility model;

[0017] Figure 2 This is a three-dimensional diagram of the connecting pipe and the pump body of the utility model;

[0018] Figure 3 A three-dimensional diagram of the access housing and filter plate of the utility model;

[0019] Figure 4 This is a three-dimensional diagram of the mounting frame and the pressing plate of the utility model.

[0020] In the figure: 1. Mounting shell; 2. Mounting frame; 3. Rotating sleeve; 4. Gear ring; 5. First motor; 6. Gear; 7. Access shell; 8. Shielding sleeve; 9. Closing sleeve; 10. Connecting pipe; 11. Water tank; 12. Sprinkler head; 13. Pump body; 14. Rotating seat; 15. Second motor; 16. Electric telescopic rod; 17. Fixed frame; 18. Threaded rod; 19. Pressing plate; 20. Filter plate; 21. Filter assembly. DETAILED DESCRIPTION

[0021] See also Figures 1-4 , a fixed tool for processing aircraft engine precision castings, including a mounting shell 1, the inner cavity of the mounting shell 1 is welded with a mounting frame 2, the surface of the mounting frame 2 is rotatably connected with a rotating sleeve 3, the surface fixed sleeve of the rotating sleeve 3 is provided with a gear ring 4, the surface of the mounting frame 2 is connected with a first motor 5 by bolts, the transmission shaft fixed sleeve of the first motor 5 is provided with a gear 6, the surface of the gear 6 is meshed with the gear ring 4, the inner cavity of the rotating sleeve 3 is rotatably connected with a rotating seat 14, the opposite side of the rotating seat 14 is connected with an electric telescopic rod 16 by bolts, the right side of the rotating sleeve 3 is connected with a second motor 15 by bolts, the transmission shaft of the second motor 15 is connected to the rotating seat 14 by bolts, the opposite side of the electric telescopic rod 16 is connected with a fixing frame 17 by bolts, the top of the fixing frame 17 is penetrated by a threaded rod 18, the bottom of the threaded rod 18 is rotatably connected to a pressure plate 19, a filter assembly 21 is provided at the bottom of the mounting shell 1, and a connecting pipe 10 is installed at the bottom of the filter assembly 21.

[0022] See also Figure 1 and Figure 3 The filter assembly 21 includes a shielding sleeve 8, the top of the shielding sleeve 8 is welded to the mounting shell 1, the bottom of the mounting shell 1 is welded with a receiving shell 7, the inner wall of the receiving shell 7 is installed with a filter plate 20, and the surface of the shielding sleeve 8 is provided with a closing sleeve 9. By setting the closing sleeve 9, it is convenient to seal between the receiving shell 7 and the shielding sleeve 8, which can effectively prevent water from flowing out. The bottom of the shielding sleeve 8 is connected to the connecting pipe 10.

[0023] See also Figure 1 and Figure 3The surface fixing sleeve of the receiving shell 7 is provided with a baffle. By setting the baffle, the closing sleeve 9 can be easily limited, which can effectively prevent the closing sleeve 9 from detaching from the surface of the shielding sleeve 8, and the bottom of the closing sleeve 9 contacts the baffle.

[0024] See also Figure 1 and Figure 3 Handles are welded on both sides of the closing sleeve 9. By providing the handles, it is convenient for the staff to grasp the closing sleeve 9 and to lift the closing sleeve 9. The surface of the gear 6 is slidably connected to the closing sleeve 9.

[0025] See also Figure 1 The surface of the threaded rod 18 is threadedly connected to the fixed frame 17, and the top of the threaded rod 18 is connected to a handle by a bolt. By setting the handle, it is convenient for the staff to grasp the threaded rod 18 and to rotate the threaded rod 18.

[0026] See also Figure 1 The bottom of the connecting pipe 10 is connected to the water tank 11, the top of the water tank 11 is connected to the pump body 13 by bolts, the inner cavity of the mounting shell 1 is connected to the water spray head 12 by bolts, the water suction pipe of the pump body 13 is connected to the water tank 11 through a pipeline, and the water outlet pipe of the pump body 13 is connected to the water spray head 12 through a pipeline. By setting the water tank 11, the water spray head 12 and the pump body 13, it is convenient to flush the waste debris in the mounting frame 2, and it is convenient to clean the waste debris in the mounting frame 2.

[0027] See also Figure 1 The top of the water tank 11 is connected to a water adding pipe, and the top threaded sleeve of the water adding pipe is provided with a first pipe cover. The right side of the water tank 11 is connected to a drain pipe, and the right threaded sleeve of the drain pipe is provided with a second pipe cover. By setting the water adding pipe and the drain pipe, the water in the water tank 11 can be easily replaced. By setting the first pipe cover and the second pipe cover, the water adding pipe and the drain pipe can be easily closed, which can effectively prevent the water in the water tank 11 from leaking.

[0028] When in use, the device is controlled by an external controller, and the casting to be processed is placed between the two fixed frames 17. The electric telescopic rod 16 is used to make a telescopic movement to drive the fixed frame 17 to move horizontally, and the casting is clamped by the fixed frame 17. The pressure plate 19 is driven to move up and down by rotating the threaded rod 18 to press the casting. The transmission shaft of the second motor 15 drives the rotating seat 14, the electric telescopic rod 16, the fixed frame 17, the threaded rod 18, the pressure plate 19 and the casting to rotate. The transmission shaft of the first motor 5 drives the gear 6, the gear ring 4 and the rotating sleeve 3 to rotate. The rotating sleeve 3 drives the rotating seat 14, the second motor 15, the electric telescopic rod 16, the fixed frame 17, the threaded rod 18, the pressure plate 19 and the casting to rotate. The telescopic rod 16, the fixed frame 17, the threaded rod 18, the pressure plate 19 and the casting are rotated to adjust the processing angle of the casting to facilitate processing by the staff. The debris generated by the processing falls along the inclined surface of the water spray head 12 to the inner cavity of the mounting frame 2. The water in the water tank 11 is pumped out by the pump body 13, and is transported to the water spray head 12 through the pump body 13. The water is sprayed out by the water spray head 12 to flush the inner cavity of the mounting frame 2. The waste debris after flushing flows into the shielding sleeve 8 and is filtered out by the filter plate 20. The filtered water flows back to the water tank 11 through the connecting pipe 10 for reuse. After use, the closing sleeve 9 is pulled to lift it. After lifting it, the waste debris on the top of the filter plate 20 is cleaned.

[0029] To sum up: the fixed tooling for processing precision castings of aircraft engines, through the fixed frame 17, threaded rod 18, pressure plate 19, filter plate 20 and filter assembly 21, solves the problem that during the use of the device, the waste chips generated by processing directly fall on the top of the device, and the waste chips on the top need to be manually cleaned by the staff, which is inconvenient to clean the waste chips on the top of the device and inconvenient for the staff to use.

Claims

1. A fixture for machining precision castings of an aero-engine, comprising a mounting shell (1), characterized in that: The inner cavity of the mounting shell (1) is welded with a mounting frame (2), the surface of the mounting frame (2) is rotatably connected to a rotating sleeve (3), the surface fixing sleeve of the rotating sleeve (3) is provided with a gear ring (4), the surface of the mounting frame (2) is connected to a first motor (5) by bolts, the transmission shaft fixing sleeve of the first motor (5) is provided with a gear (6), the surface of the gear (6) is meshed with the gear ring (4), the inner cavity of the rotating sleeve (3) is rotatably connected to a rotating seat (14), and the opposite side of the rotating seat (14) is connected to an electric telescopic rod ( 16), the right side of the rotating sleeve (3) is connected to a second motor (15) by bolts, the transmission shaft of the second motor (15) is connected to the rotating seat (14) by bolts, the opposite side of the electric telescopic rod (16) is connected to a fixed frame (17) by bolts, the top of the fixed frame (17) is provided with a threaded rod (18), the bottom of the threaded rod (18) is rotatably connected to a pressure plate (19), the bottom of the mounting shell (1) is provided with a filter assembly (21), and the bottom of the filter assembly (21) is provided with a connecting pipe (10).

2. The fixture for machining aircraft engine precision castings according to claim 1, characterized in that: The filter assembly (21) comprises a shielding sleeve (8), the top of the shielding sleeve (8) is welded to the mounting shell (1), the bottom of the mounting shell (1) is welded with a receiving shell (7), the inner wall of the receiving shell (7) is mounted with a filter plate (20), the surface of the shielding sleeve (8) is provided with a sealing sleeve (9), and the bottom of the shielding sleeve (8) is connected to the connecting pipe (10).

3. The fixture for machining aero-engine precision castings according to claim 2, characterized in that: The surface fixing sleeve of the receiving shell (7) is provided with a baffle, and the bottom of the closing sleeve (9) is in contact with the baffle.

4. The fixture for machining aero-engine precision castings according to claim 2, characterized in that: Handles are welded to both sides of the closing sleeve (9), and the surface of the gear (6) is slidably connected to the closing sleeve (9).

5. The fixture for machining aero-engine precision castings according to claim 1, characterized in that: The surface of the threaded rod (18) is threadedly connected to the fixed frame (17), and the top of the threaded rod (18) is connected to a turning handle via a bolt.

6. The fixture for machining aircraft engine precision castings according to claim 1, characterized in that: The bottom of the connecting pipe (10) is connected to a water tank (11), the top of the water tank (11) is connected to a pump body (13) via bolts, the inner cavity of the mounting shell (1) is connected to a water spray head (12) via bolts, the water suction pipe of the pump body (13) is connected to the water tank (11) via a pipeline, and the water outlet pipe of the pump body (13) is connected to the water spray head (12) via a pipeline.

7. The fixture for machining aircraft engine precision castings according to claim 6, characterized in that: The top of the water tank (11) is connected to a water supply pipe, and the top threaded sleeve of the water supply pipe is provided with a first pipe cover. The right side of the water tank (11) is connected to a drainage pipe, and the right threaded sleeve of the drainage pipe is provided with a second pipe cover.

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